https://bugs.kde.org/show_bug.cgi?id=367822
Bug ID: 367822
Summary: After update to kernel 4.7 no panel after plasma login
Product: plasmashell
Version: 5.7.3
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: major
Priority: NOR
Component: Panel
Assignee: plasma-b...@kde.org
Reporter: mike.cloa...@gmail.com
I have a desktop machine (Intel Ivybridge DQ77KB ) and running Arch linux.
After update to kernel 4.7.0-1 with the usual pacman -Syu my desktop initially
boots up fine and presents the sddm greeter screen as normal - but when logging
in the usual splash screen appears on the monitor with the progress bar moving
across, but at around 90% through this process, the plasma login seems hangs
for many seconds - eventually the splash screen disappears and I end up with
just the desktop background image - but no taskbar, and the mouse becomes
active again after being unavailable whilst the progress bar and splash are on
the screen. Once the mouse is active again and I can select the usual options
with right click including the logout option. Rebooting makes no difference,
and logging out and back in also makes no difference.
After updating and booting the 4.7 kernel and entering the login details to the
sddm greeter, there is a period of hang time with the splash image on the
screen which eventually times out and gives just a desktop background image -
at that point I used right click to unlock the widgets on the desktop, and
added a new default panel which displays and works correctly.
If at that point I logout and then log back in, then the splash screen hangs
for the same extended period, and when it disappears the panel that I added
after the previous login is no longer displayed, and again just a desktop
background image is on the screen.
However, if I then log out using right click and selecting to leave plasma, and
downgrade the kernel back to 4.6 which was previously working, and log back in
to plasma, which works successfully again, then the login does show the new
panel that I added when I had booted kernel 4.7 - which I can then remove and
the original panel is there and working as normal!
I don't know therefore if this might point to a bug in plasma workspace or kwin
that has surfaced with the current version of the kernel 4.7, and which might
be fixed in newer versions of plasma
Reproducible: Always
Steps to Reproduce:
1. Update machine to kernel 4.7 (including 4.7.2-1)
2. Reboot and login at the sddm prompt
3. Presented with desktop background image only, and no panel
Actual Results:
No panel after plasma login
Expected Results:
Expect plasma desktop with panel
Also reported initially at https://bugs.freedesktop.org/show_bug.cgi?id=97354
but this looks like a possible plasmashell bug rather than a graphics or kernel
driver bug.
The versions of other key packages are:
xorg-server 1.18.4-1 (xorg)
xf86-video-intel 1:2.99.917+691+ga77397a-1 (xorg-drivers xorg)
$ lspci -v | egrep VGA
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen
Core processor Graphics Controller (rev 09) (prog-if 00 [VGA controller])
The problem remains with plasma-framework (5.24.0-1 -> 5.25.0-1)
The problem remains with the update for xf86-video-intel
(1:2.99.917+691+ga77397a-1 -> 1:2.99.917+697+g12c14de-1)
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